Top-level professional grade equipment designed without any compromise. The Cirrus Pro components are literally designed and ridden by World Championship level athletes. These products are built to withstand the toughest conditions that any athlete can throw at them, With no restrictions, we have chosen the top-level materials including the highest-grade carbon fiber available. All aspects including weight, strength and aesthetics were taken into account developing this collection. Designed and tested in the real world lab of Belgium.

Equally at home training during the week or racing on the weekend, the Cirrus series utilizes all of the input from our ProTeam athletes but in an affordable package. We painstakingly choose the best combination of materials in order to provide the optimal package at a respectable cost. Using carbon fiber and lightweight alloys allows weight savings but also increased strength and aesthetics. Designed ant tested in the real world lab of Belgium.

The Stratos series offers world-class performance at an entry-level price. Built to be durable and dependable, the Stratos products use trickle down technology from its Cirrus and Cirrus Pro siblings.Available in a wide range of colors and sizes, the Stratos products allow you to customize your bike. Most products are suitable for road, triathlon, mountain bike or cyclocross applications. Designed and tested in the real world lab of Belgium.

designed in flanders, the heartland of cycling. born from pavé, brutally steep climbs and harsh conditions. race it.

Our goal is to develop innovative products which perform at the sport’s highest level; Racing. 4ZA offers three component ranges which deliver world class performance for all disciplines: Stratos, Cirrus and Cirrus Pro. All of our products are designed and developed in Belgium.

designed in flanders, the heartland of cycling. born from pavé, brutally steep climbs and harsh conditions. race it.

Our goal is to develop innovative products which perform at the sport’s highest level; Racing. 4ZA offers three component ranges which deliver world class performance for all disciplines: Stratos, Cirrus and Cirrus Pro. All of our products are designed and developed in Belgium.